Alan - you are a star ! I was going to send mine off for repair - and it would have cost £90 ! On the top of the pressure chamber (with cover off) there were 2 element heads & 3 other small short cylinders in a row (all wired). I had tracked down the wires with a meter & I thought the middle cylinder needed replacing. It had a projection on the top of it (not square) so I pressed it down & hey presto - machine all operational again. It must be some form of master cutout as I'd left the machine on all day once in error, then it just would not operate at all. Many thanks - we really missed our coffee from this fab machine.
Mike
March 2010